ASOTP “Igla-M”

The automatic system for detecting and extinguishing fires “Igla-M” is designed for automatic detection and extinguishing of fires on subway cars.

This system was installed on the rolling stock of the Moscow metro between 1998 and 2003. The following modifications of 81-717 / 714 wagons, “E” series and modifications, 81-720 / 721 (Yauza) and 81-740 / 741 (Rusich) are equipped with the system.

A feature of this system is the use as a means of fire extinguisher powder extinguisher, automatic GSP-1 and GSP-2, having a threshold 100 ^{of the} C and 200 ^on , respectively.

On each car there are fire-dangerous compartments. In the compartments are installed sensors of fire alarm and fire extinguishers OSB. To monitor the state of the OSB, they are equipped with pick-up sensors (DS). Sensors via communication lines are connected to the address local control unit (LBK), which monitors the fire situation and the state of the equipment in the compartment. For each protected compartment one block of LBC.

LBK units are connected by wire communication lines to the intermediate central control unit (BCRC), which in turn is connected to a dedicated train line to exchange information about the state of the system between the cars of the train. Block ПЦБК in case of occurrence of a fire danger situation produces a signal for switching off the equipment on the car.

In the driver’s cabs, the head cars of the train contain the central control and indication units (CBKS). The CBKI unit is designed for issuing address information messages about the status of the system on the composition, management of the system and storage of the event archive in the system.

The system is powered by the onboard network of the car in the range from 45 to 95 V.

Composition of ASOTP: